diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index a35b4f7332f019a147d2b2735a4c1706b4f3e9a6..d0fbc043de604ea0e2dd1b2911087a9d19215c96 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -265,6 +265,7 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
 }
 
 extern int hex_to_bin(char ch);
+extern void hex2bin(u8 *dst, const char *src, size_t count);
 
 /*
  * General tracing related utility functions - trace_printk(),
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 5d7a4802c5623c00056159735bf73d17165ba476..b66b2bd67952ea5ac3aaa2f3805a5a1b08f4c85e 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -33,6 +33,22 @@ int hex_to_bin(char ch)
 }
 EXPORT_SYMBOL(hex_to_bin);
 
+/**
+ * hex2bin - convert an ascii hexadecimal string to its binary representation
+ * @dst: binary result
+ * @src: ascii hexadecimal string
+ * @count: result length
+ */
+void hex2bin(u8 *dst, const char *src, size_t count)
+{
+	while (count--) {
+		*dst = hex_to_bin(*src++) << 4;
+		*dst += hex_to_bin(*src++);
+		dst++;
+	}
+}
+EXPORT_SYMBOL(hex2bin);
+
 /**
  * hex_dump_to_buffer - convert a blob of data to "hex ASCII" in memory
  * @buf: data blob to dump